body
  background #f5f5f5
.page-header
  background #ffffff
  height 72px
  .logo
    height 72px
  .post
    display flex
    align-items center
  .category
    display flex
    justify-content space-around
    align-items center
  .search
    display flex
    align-items center
  .avatar
    display flex
    align-items center



